🔩 Extra Large Flange Pop Rivets – Open Blind Rivets Aluminum/Steel 3.2mm, 4.0mm, 4.8mm
🏷️ Brand: HomeDIYer Fastener | Aluminum Body + Zinc Plated Steel Mandrel | Large Flange | Galvanized
📌 Overview — Superior grip for soft, brittle, or oversized holes. Standard rivets can pull through thin plastics, fiberglass, or soft composites. Our Extra Large Flange Head Pop Rivets feature a wide bearing surface that distributes load and prevents pull-through, making them ideal for automotive trim, boat interiors, signage, ductwork, and plastic assemblies. The open-end aluminum body and zinc-plated steel mandrel provide a strong, vibration-resistant joint with good corrosion resistance. Available in 3.2mm, 4.0mm, and 4.8mm diameters with multiple grip lengths. Choose your exact size and quantity – perfect for body shops, HVAC installers, and DIYers who need reliable fastening in challenging materials.
✨ Key Features – Extra Large Flange Open Blind Rivets
-
Extra Large Flange Head – Wide bearing surface (up to 14mm diameter) prevents pull-through in soft or brittle materials like plastic, fiberglass, and thin sheet metal.
-
Aluminum Body + Steel Mandrel – Lightweight aluminum rivet body with a strong zinc-plated steel mandrel for secure setting and good corrosion resistance.
-
Open End (Blind) Design – Ideal for applications where you can only access one side of the workpiece – no rear access needed.
-
Multiple Diameters & Grip Lengths – 3.2mm, 4.0mm, 4.8mm diameters with grip lengths from 6mm to 25mm – covers thin to thick material stacks.
-
Pre-drill Reference Included – Recommended drill sizes: 3.3mm (for 3.2mm rivet), 4.1mm (4.0mm), 4.9mm (4.8mm) for proper installation.
-
Galvanized Surface Treatment – Additional corrosion protection on the mandrel and body for extended service life.
-
Versatile Applications – Ideal for automotive, marine, signage, HVAC, gutter repair, plastic enclosures, and DIY projects.
📏 Technical Specifications – Extra Large Flange Pop Rivets (Alu/Steel)
| Rivet Diameter (mm) |
Rivet Length (mm) |
Flange Diameter (mm) |
Flange Thickness (mm) |
Recommended Drill Size (mm) |
| 3.2 |
6 |
9.5 |
1.5 |
3.3 |
| 3.2 |
8 |
9.5 |
1.5 |
3.3 |
| 3.2 |
10 |
9.5 |
1.5 |
3.3 |
| 3.2 |
14 |
9.5 |
1.5 |
3.3 |
| 4.0 |
8 |
12 |
1.7 |
4.1 |
| 4.0 |
10 |
12 |
1.7 |
4.1 |
| 4.0 |
12 |
12 |
1.7 |
4.1 |
| 4.0 |
16 |
12 |
1.7 |
4.1 |
| 4.0 |
20 |
12 |
1.7 |
4.1 |
| 4.8 |
10 |
14 |
2.0 |
4.9 |
| 4.8 |
12 |
14 |
2.0 |
4.9 |
| 4.8 |
14 |
14 |
2.0 |
4.9 |
| 4.8 |
16 |
14 |
2.0 |
4.9 |
| 4.8 |
18 |
14 |
2.0 |
4.9 |
| 4.8 |
20 |
14 |
2.0 |
4.9 |
| 4.8 |
25 |
14 |
2.0 |
4.9 |
💡 Selection guide: Choose rivet diameter based on hole size. Select rivet length so that the grip range covers the total thickness of materials being joined. For best results, use the recommended drill bit size. Packaging: “As per Your Choice” – order the exact diameter, length, and quantity you need. Contact us for bulk or custom assortments.
🔧 Why a large flange? Standard rivets can pull through soft materials like plastic, fiberglass, or thin aluminum. The extra-wide flange distributes clamping force over a larger area, preventing pull-through and providing a more secure joint. Perfect for plastic enclosures, automotive trim, and sign mounting.
❓ Frequently Asked Questions – Extra Large Flange Pop Rivets
What is the advantage of an extra-large flange over a standard rivet?
🔧 The large flange (up to 14mm diameter) provides a wider bearing surface, which prevents the rivet from pulling through soft or brittle materials such as plastic, fiberglass, thin sheet metal, or wood composites. It also distributes the load more evenly, reducing stress concentrations.
What drill size should I use for each rivet diameter?
📏 For 3.2mm rivets → 3.3mm drill bit. For 4.0mm rivets → 4.1mm bit. For 4.8mm rivets → 4.9mm bit. Using the correct drill size ensures proper mandrel expansion and a tight, secure joint.
Are these rivets suitable for outdoor use? Will they rust?
🌧️ The aluminum body is naturally corrosion-resistant. The steel mandrel is zinc-plated for moderate rust protection. For outdoor applications (signs, gutters, marine trim), these rivets perform well in dry to mildly humid conditions. For continuous saltwater exposure, consider stainless steel or Monel rivets.
How do I choose the correct rivet length (grip range)?
📐 Measure the total thickness of the materials you are joining. Select a rivet with a grip range that includes that thickness. For example, a 4.0mm x 10mm rivet typically grips 5.5–7.5mm. Use our length chart as a reference. For thicker stacks, choose longer rivets.
Can I use these rivets with a standard hand rivet gun?
✅ Yes, these are standard open-end blind rivets compatible with most manual, cordless, or pneumatic rivet guns. Ensure your tool has the correct nosepiece for the rivet diameter (3.2mm, 4.0mm, or 4.8mm).
⚙️ HomeDIYer Fastener — Quality blind rivets for soft materials and large holes. Order your exact diameter, length, and quantity today.
